The Art of Counting: Combinatorial Problem Solving — PickAClass
⏱ 2h 30m 📚 25 lessons 🎧 Audio version

The Art of Counting: Combinatorial Problem Solving

Develop foundational counting techniques and a systematic approach to solving combinatorial problems, perfect for aspiring mathematicians and problem solvers.

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About this course

Do you find yourself puzzled by questions like 'how many ways can this happen?' or 'what are all the possible arrangements?' Combinatorics is the branch of mathematics that provides elegant solutions to these precise counting challenges. This course will transform your ability to approach complex counting problems, equipping you with a powerful toolkit of principles and methods to systematically enumerate possibilities and understand the underlying structure of discrete sets. You will learn to think critically about problem constraints and develop rigorous solutions. What you'll learn: * Understand fundamental counting principles like the Sum and Product Rules. * Master permutations and combinations for ordered and unordered selections. * Apply advanced techniques such as the Inclusion-Exclusion Principle and the Stars and Bars method. * Practice constructing bijective proofs to demonstrate combinatorial identities. * Explore basic recurrence relations and generating functions for sequential counting. * Develop a structured methodology for dissecting and solving diverse counting problems. * Recognize the connections between combinatorics and other areas of discrete mathematics. The course begins with essential definitions and builds progressively through core counting methods, culminating in more advanced strategies and the art of proving combinatorial statements. Each section combines clear explanations with practical examples and written exercises. This course is designed for absolute beginners with no prior experience in combinatorics, providing a solid foundation for anyone interested in discrete mathematics, computer science, or logical problem-solving. Start your journey into the fascinating world of counting and unlock your problem-solving potential.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • 📱 Phone or computer
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  • Short & focused
    2h 30m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
The Art of Counting: Combinatorial Problem Solving
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
The Art of Counting: Combinatorial Problem Solving
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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